133223203189 has 2 divisors, whose sum is σ = 133223203190. Its totient is φ = 133223203188.

The previous prime is 133223202997. The next prime is 133223203193. The reversal of 133223203189 is 981302322331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133002443025 + 220760164 = 364695^2 + 14858^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133223203189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133223200189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66611601594 + 66611601595.

It is an arithmetic number, because the mean of its divisors is an integer number (66611601595).

Almost surely, 2^133223203189 is an apocalyptic number.

It is an amenable number.

133223203189 is a deficient number, since it is larger than the sum of its proper divisors (1).

133223203189 is an equidigital number, since it uses as much as digits as its factorization.

133223203189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 37.

The spelling of 133223203189 in words is "one hundred thirty-three billion, two hundred twenty-three million, two hundred three thousand, one hundred eighty-nine".